Magnetron Sputtering High Temperature Mo-Al2O3 Cermet Solar Selective Coatings


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Based on double cermet layer structure, Mo-Al2O3 cermet solar selective coating was prepared on stainless steel substrate. A solar absorptance of 0.92 and normal emittance of 0.19 at room temperature have been achieved. Vacuum annealing treatment was done and its influences on the solar selective performance was discussed. Absorptance changed between 0.90 and 0.92 under the selected annealing temperature range of 350-800°C, and emittance varied from 0.19 to 0.23 when heated at 650°C. The microstructures before and after annealing process at different temperatures were investigated.



Materials Science Forum (Volumes 546-549)

Edited by:

Yafang Han et al.




X. K. Du et al., "Magnetron Sputtering High Temperature Mo-Al2O3 Cermet Solar Selective Coatings", Materials Science Forum, Vols. 546-549, pp. 1773-1776, 2007

Online since:

May 2007




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